The world has experienced all forms of war over the years; however, World War II remains the most expensive conflict in U.S. history when adjusted for inflation, costing roughly $4.7 trillion, according to historical estimates.

The United States has long played a controversial role in the politics of South America, from quiet backing of coups in the 20th century to unprecedented military action in 2026. This week’s dramatic events in Caracas have once again highlighted that history.

The past four decades have seen different leaders in the White House, each bringing their unique vision and policies to the presidency.